实验是做一个个人通讯录，实现有一个登陆界面，可修改登陆密码，实现手机通讯录的基本功能，包括添加手机联系人，查询手机联系人，删除手机联系人，导入联系人，以及拨打电话、发送短信、发送邮件等功能。以java语言为主体，xml布局，结合Android移动开发平台等实现对安卓手机通讯录的基本操作，做到能够完好的运行。
package cn.edu.wtu.sj.mycontact.activity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.ContentObserver; import android.database.Cursor; import android.os.Handler; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.ContextMenu; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.CursorAdapter; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import cn.edu.wtu.sj.mycontact.R; import cn.edu.wtu.sj.mycontact.provider.ContactProvider; import cn.edu.wtu.sj.mycontact.utils.ThreadUtils; import cn.edu.wtu.sj.mycontact.utils.ToastUtils; public class MainActivity extends AppCompatActivity { private CursorAdapter mCursorAdapter; private ListView mMainLv; private MyContentObserver mMyContentObserver=new MyContentObserver(new Handler()); private Cursor mcurrentCursor;
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mMainLv=findViewById(R.id.mainLv);
initData();
initListener();
} private void initListener() {
registerContentObserver();
registerForContextMenu(mMainLv);
mMainLv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
mcurrentCursor= (Cursor) adapterView.getItemAtPosition(i); return false;// false 表示这个事件继续向外传播，这样才能让ContextMenu显示出来 }
});
}
@Override protected void onDestroy() { super.onDestroy();
unRegistContentObserver();
} private void initData() {
setOrUpdateAdapter();
} private void setOrUpdateAdapter() {
ThreadUtils.runInUIThread(new Runnable() {
@Override public void run() { if(mCursorAdapter!=null){
mCursorAdapter.getCursor().requery(); return;
}
Cursor cursor=getContentResolver().query(ContactProvider.URI_CONTACT,null,null,null,null); if (cursor.getCount()==0){ return;
}
mCursorAdapter=new CursorAdapter(MainActivity.this,cursor,true) {
@Override public View newView(Context context, Cursor cursor, ViewGroup viewGroup) {
View view=View.inflate(context, R.layout.data_list,null); return view;
}
@Override public void bindView(View view, Context context, Cursor cursor) {
TextView nameTv=view.findViewById(R.id.nameTv_datalist);
TextView phoneTv=view.findViewById(R.id.phoneTv_datalist);
TextView emailTv=view.findViewById(R.id.emailTv_datalist);
TextView qqTv=view.findViewById(R.id.qqTv_datalist);
nameTv.setText(cursor.getString(1));
phoneTv.setText(cursor.getString(2));
emailTv.setText(cursor.getString(3));
qqTv.setText(cursor.getString(4));
}
};
mMainLv.setAdapter(mCursorAdapter);
}
});
}
@Override public boolean onCreateOptionsMenu(Menu menu) {
menu.add(1,Menu.FIRST,1,"新建联系人").setIcon(R.drawable.new_contact);
menu.add(1,Menu.FIRST 1,2,"查找联系人").setIcon(R.drawable.search_contact);
menu.add(1,Menu.FIRST 2,3,"导入联系人").setIcon(R.drawable.import_contact);
menu.add(1,Menu.FIRST 3,4,"导出联系人").setIcon(R.drawable.export_contact);
menu.add(1,Menu.FIRST 4,4,"修改密码").setIcon(R.drawable.modify_password); return super.onCreateOptionsMenu(menu);
}
@Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()){ case Menu.FIRST:addContact();break; case Menu.FIRST 1:searchContact();break; case Menu.FIRST 2:importContact();break;
} return super.onOptionsItemSelected(item);
} private void importContact() {
Intent intent=new Intent(MainActivity.this,ImportContactActivity.class);
startActivity(intent);
} private void searchContact() { final EditText inputNameTv=new EditText(MainActivity.this);
AlertDialog.Builder inputDialog=new AlertDialog.Builder(MainActivity.this);
inputDialog.setTitle("请输入要查找的姓名")
.setView(inputNameTv)
.setPositiveButton("查找", new DialogInterface.OnClickListener() {
@Override public void onClick(DialogInterface dialogInterface, int i) {
searchResultShow(inputNameTv.getText().toString().trim());
}
}).show();
} private void searchResultShow(final String name) {
ThreadUtils.runInUIThread(new Runnable() {
@Override public void run() {
Cursor cursor=getContentResolver().query(ContactProvider.URI_CONTACT, null, "name like ?", new String[]{"%" name "%"}, null); if (cursor.getCount()==0){
ToastUtils.showToastSafe(MainActivity.this,"没有找到该联系人！"); return;
}
CursorAdapter searchAdapter=new CursorAdapter(MainActivity.this,cursor,true) {
@Override public View newView(Context context, Cursor cursor, ViewGroup viewGroup) {
View view=View.inflate(context, R.layout.data_list,null); return view;
}
@Override public void bindView(View view, Context context, Cursor cursor) {
TextView nameTv=view.findViewById(R.id.nameTv_datalist);
TextView phoneTv=view.findViewById(R.id.phoneTv_datalist);
TextView emailTv=view.findViewById(R.id.emailTv_datalist);
TextView qqTv=view.findViewById(R.id.qqTv_datalist);
nameTv.setText(cursor.getString(1));
phoneTv.setText(cursor.getString(2));
emailTv.setText(cursor.getString(3));
qqTv.setText(cursor.getString(4));
}
};
mMainLv.setAdapter(searchAdapter);
}
});
}
@Override public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, v, menuInfo);
menu.setHeaderTitle("联系人操作");
menu.add(Menu.NONE,Menu.FIRST,1,"编辑联系人");
menu.add(Menu.NONE,Menu.FIRST 1,2,"删除联系人");
menu.add(Menu.NONE,Menu.FIRST 2,3,"拨打电话");
menu.add(Menu.NONE,Menu.FIRST 3,4,"发送短信");
menu.add(Menu.NONE,Menu.FIRST 4,5,"发送邮件");
menu.add(Menu.NONE,Menu.FIRST 5,6,"显示全部");
}
@Override public boolean onContextItemSelected(MenuItem item) { switch (item.getItemId()){ case Menu.FIRST:editContact();break; case Menu.FIRST 1:delContact();break; case Menu.FIRST 2:dial();break; case Menu.FIRST 3:sms();break; case Menu.FIRST 4:email();break; case Menu.FIRST 5:mMainLv.setAdapter(mCursorAdapter);setOrUpdateAdapter();break;
} return super.onContextItemSelected(item);
} private void editContact() {
Intent intent=new Intent(MainActivity.this,EditContactActivity.class);
intent.putExtra("name",mcurrentCursor.getString(1));
intent.putExtra("phone",mcurrentCursor.getString(2));
intent.putExtra("email",mcurrentCursor.getString(3));
intent.putExtra("qq",mcurrentCursor.getString(4));
startActivity(intent);
} private void delContact() {
getContentResolver().delete(ContactProvider.URI_CONTACT, "name=?", new String[]{mcurrentCursor.getString(1)});
ToastUtils.showToastSafe(this,"该联系人已删除！");
} private void dial() {
} private void sms() {
} private void email() {
} private void addContact() {
Intent intent=new Intent(MainActivity.this,AddContactActivity.class);
startActivity(intent);
}
@Override public boolean onMenuOpened(int featureId, Menu menu) { if (menu!=null){ if (menu.getClass().getSimpleName().equalsIgnoreCase("MenuBuilder")){ try {
Method method=menu.getClass().getDeclaredMethod("setOptionalIconsVisible",Boolean.TYPE);
method.setAccessible(true);
method.invoke(menu,true);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
} return super.onMenuOpened(featureId, menu);
} class MyContentObserver extends ContentObserver{ public MyContentObserver(Handler handler) { super(handler);
}
@Override public void onChange(boolean selfChange) { super.onChange(selfChange);
setOrUpdateAdapter();
}
} private void registerContentObserver(){
getContentResolver().registerContentObserver(ContactProvider.URI_CONTACT, true,
mMyContentObserver);
} private void unRegistContentObserver(){
getContentResolver().unregisterContentObserver(mMyContentObserver);
}
}
资源文件列表
.gradle/4.4/fileChanges/last-build.bin , 1
.gradle/4.4/fileContent/fileContent.lock , 17
.gradle/4.4/fileHashes/fileHashes.bin , 533741
.gradle/4.4/fileHashes/fileHashes.lock , 17
.gradle/4.4/fileHashes/resourceHashesCache.bin , 21693
.gradle/4.4/javaCompile/classAnalysis.bin , 1231936
.gradle/4.4/javaCompile/jarAnalysis.bin , 583101
.gradle/4.4/javaCompile/javaCompile.lock , 17
.gradle/4.4/javaCompile/taskHistory.bin , 761968
.gradle/4.4/javaCompile/taskJars.bin , 30804
.gradle/4.4/taskHistory/taskHistory.bin , 2655752
.gradle/4.4/taskHistory/taskHistory.lock , 17
.gradle/buildOutputCleanup/buildOutputCleanup.lock , 17
.gradle/buildOutputCleanup/cache.properties , 51
.gradle/buildOutputCleanup/outputFiles.bin , 24707
.idea/caches/build_file_checksums.ser , 545
.idea/codeStyles/Project.xml , 1803
.idea/gradle.xml , 626
.idea/libraries/Gradle__android_arch_core_common_1_1_1_jar.xml , 541
.idea/libraries/Gradle__android_arch_core_runtime_1_1_1.xml , 655
.idea/libraries/Gradle__android_arch_lifecycle_common_1_1_1_jar.xml , 556
.idea/libraries/Gradle__android_arch_lifecycle_livedata_1_1_1.xml , 671
.idea/libraries/Gradle__android_arch_lifecycle_livedata_core_1_1_1.xml , 695
.idea/libraries/Gradle__android_arch_lifecycle_runtime_1_1_1.xml , 666
.idea/libraries/Gradle__android_arch_lifecycle_viewmodel_1_1_1.xml , 676
.idea/libraries/Gradle__com_android_support_animated_vector_drawable_28_0_0.xml , 522
.idea/libraries/Gradle__com_android_support_appcompat_v7_28_0_0.xml , 486
.idea/libraries/Gradle__com_android_support_asynclayoutinflater_28_0_0.xml , 507
.idea/libraries/Gradle__com_android_support_collections_28_0_0_jar.xml , 375
.idea/libraries/Gradle__com_android_support_constraint_constraint_layout_1_1_3.xml , 509
.idea/libraries/Gradle__com_android_support_constraint_constraint_layout_solver_1_1_3_jar.xml , 433
.idea/libraries/Gradle__com_android_support_coordinatorlayout_28_0_0.xml , 501
.idea/libraries/Gradle__com_android_support_cursoradapter_28_0_0.xml , 489
.idea/libraries/Gradle__com_android_support_customview_28_0_0.xml , 480
.idea/libraries/Gradle__com_android_support_documentfile_28_0_0.xml , 486
.idea/libraries/Gradle__com_android_support_drawerlayout_28_0_0.xml , 486
.idea/libraries/Gradle__com_android_support_interpolator_28_0_0.xml , 486
.idea/libraries/Gradle__com_android_support_loader_28_0_0.xml , 468
.idea/libraries/Gradle__com_android_support_localbroadcastmanager_28_0_0.xml , 513
.idea/libraries/Gradle__com_android_support_print_28_0_0.xml , 465
.idea/libraries/Gradle__com_android_support_slidingpanelayout_28_0_0.xml , 501
.idea/libraries/Gradle__com_android_support_support_annotations_28_0_0_jar.xml , 399
.idea/libraries/Gradle__com_android_support_support_compat_28_0_0.xml , 492
.idea/libraries/Gradle__com_android_support_support_core_ui_28_0_0.xml , 495
.idea/libraries/Gradle__com_android_support_support_core_utils_28_0_0.xml , 504
.idea/libraries/Gradle__com_android_support_support_fragment_28_0_0.xml , 498
.idea/libraries/Gradle__com_android_support_support_vector_drawable_28_0_0.xml , 519
.idea/libraries/Gradle__com_android_support_swiperefreshlayout_28_0_0.xml , 504
.idea/libraries/Gradle__com_android_support_test_espresso_espresso_core_3_0_2.xml , 718
.idea/libraries/Gradle__com_android_support_test_espresso_espresso_idling_resource_3_0_2.xml , 773
.idea/libraries/Gradle__com_android_support_test_monitor_1_0_2.xml , 670
.idea/libraries/Gradle__com_android_support_test_runner_1_0_2.xml , 665
.idea/libraries/Gradle__com_android_support_versionedparcelable_28_0_0.xml , 507
.idea/libraries/Gradle__com_android_support_viewpager_28_0_0.xml , 477
.idea/libraries/Gradle__com_google_code_findbugs_jsr305_2_0_1_jar.xml , 367
.idea/libraries/Gradle__com_squareup_javawriter_2_1_1_jar.xml , 546
.idea/libraries/Gradle__javax_inject_javax_inject_1_jar.xml , 536
.idea/libraries/Gradle__junit_junit_4_12_jar.xml , 495
.idea/libraries/Gradle__net_sf_kxml_kxml2_2_3_0_jar.xml , 518
.idea/libraries/Gradle__org_hamcrest_hamcrest_core_1_3_jar.xml , 551
.idea/libraries/Gradle__org_hamcrest_hamcrest_integration_1_3_jar.xml , 586
.idea/libraries/Gradle__org_hamcrest_hamcrest_library_1_3_jar.xml , 565
.idea/misc.xml , 1707
.idea/modules.xml , 355
.idea/runConfigurations.xml , 564
.idea/workspace.xml , 196539
app/.gitignore , 8
app/app.iml , 14470
app/build.gradle , 956
app/build/generated/source/buildConfig/debug/cn/edu/wtu/sj/mycontact/BuildConfig.java , 453
app/build/generated/source/r/debug/android/arch/core/R.java , 247
app/build/generated/source/r/debug/android/arch/lifecycle/livedata/core/R.java , 266
app/build/generated/source/r/debug/android/arch/lifecycle/livedata/R.java , 261
app/build/generated/source/r/debug/android/arch/lifecycle/R.java , 252
app/build/generated/source/r/debug/android/arch/lifecycle/viewmodel/R.java , 262
app/build/generated/source/r/debug/android/support/asynclayoutinflater/R.java , 10341
app/build/generated/source/r/debug/android/support/compat/R.java , 10328
app/build/generated/source/r/debug/android/support/constraint/R.java , 19370
app/build/generated/source/r/debug/android/support/coordinatorlayout/R.java , 12310
app/build/generated/source/r/debug/android/support/coreui/R.java , 12299
app/build/generated/source/r/debug/android/support/coreutils/R.java , 10331
app/build/generated/source/r/debug/android/support/cursoradapter/R.java , 259
app/build/generated/source/r/debug/android/support/customview/R.java , 10332
app/build/generated/source/r/debug/android/support/documentfile/R.java , 258
app/build/generated/source/r/debug/android/support/drawerlayout/R.java , 10334
app/build/generated/source/r/debug/android/support/fragment/R.java , 12301
app/build/generated/source/r/debug/android/support/graphics/drawable/R.java , 12310
app/build/generated/source/r/debug/android/support/interpolator/R.java , 258
app/build/generated/source/r/debug/android/support/loader/R.java , 10328
app/build/generated/source/r/debug/android/support/localbroadcastmanager/R.java , 267
app/build/generated/source/r/debug/android/support/print/R.java , 251
app/build/generated/source/r/debug/android/support/slidingpanelayout/R.java , 10339
app/build/generated/source/r/debug/android/support/swiperefreshlayout/R.java , 10340
app/build/generated/source/r/debug/android/support/v7/appcompat/R.java , 122189
app/build/generated/source/r/debug/android/support/v7/viewpager/R.java , 10334
app/build/generated/source/r/debug/androidx/versionedparcelable/R.java , 258
app/build/generated/source/r/debug/cn/edu/wtu/sj/mycontact/R.java , 644820
app/build/intermediates/blame/res/debug/multi-v2/debug.json , 226303
app/build/intermediates/blame/res/debug/multi-v2/values-af.json , 1975
app/build/intermediates/blame/res/debug/multi-v2/values-am.json , 1973
app/build/intermediates/blame/res/debug/multi-v2/values-ar.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-as.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-az.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-b+sr+Latn.json , 2021
app/build/intermediates/blame/res/debug/multi-v2/values-be.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-bg.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-bn.json , 1980
app/build/intermediates/blame/res/debug/multi-v2/values-bs.json , 1979
app/build/intermediates/blame/res/debug/multi-v2/values-ca.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-cs.json , 1976
app/build/intermediates/blame/res/debug/multi-v2/values-da.json , 1974
app/build/intermediates/blame/res/debug/multi-v2/values-de.json , 1979
app/build/intermediates/blame/res/debug/multi-v2/values-el.json , 1980
app/build/intermediates/blame/res/debug/multi-v2/values-en-rAU.json , 1999
app/build/intermediates/blame/res/debug/multi-v2/values-en-rCA.json , 1999
app/build/intermediates/blame/res/debug/multi-v2/values-en-rGB.json , 1999
app/build/intermediates/blame/res/debug/multi-v2/values-en-rIN.json , 1999
app/build/intermediates/blame/res/debug/multi-v2/values-en-rXC.json , 2027
app/build/intermediates/blame/res/debug/multi-v2/values-es-rUS.json , 2002
app/build/intermediates/blame/res/debug/multi-v2/values-es.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-et.json , 1981
app/build/intermediates/blame/res/debug/multi-v2/values-eu.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-fa.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-fi.json , 1974
app/build/intermediates/blame/res/debug/multi-v2/values-fr-rCA.json , 2004
app/build/intermediates/blame/res/debug/multi-v2/values-fr.json , 1980
app/build/intermediates/blame/res/debug/multi-v2/values-gl.json , 1979
app/build/intermediates/blame/res/debug/multi-v2/values-gu.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-h720dp-v13.json , 752
app/build/intermediates/blame/res/debug/multi-v2/values-hdpi-v4.json , 781
app/build/intermediates/blame/res/debug/multi-v2/values-hi.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-hr.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-hu.json , 1979
app/build/intermediates/blame/res/debug/multi-v2/values-hy.json , 1976
app/build/intermediates/blame/res/debug/multi-v2/values-in.json , 1978
app/build/intermediates/blame/res/debug/multi-v2/values-is.json , 1974
app/build/intermediates/blame/res/debug/multi-v2/values-it.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-iw.json , 1974
app/build/intermediates/blame/res/debug/multi-v2/values-ja.json , 1971
app/build/intermediates/blame/res/debug/multi-v2/values-ka.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-kk.json , 1976
app/build/intermediates/blame/res/debug/multi-v2/values-km.json , 1976
app/build/intermediates/blame/res/debug/multi-v2/values-kn.json , 1979
app/build/intermediates/blame/res/debug/multi-v2/values-ko.json , 1969
app/build/intermediates/blame/res/debug/multi-v2/values-ky.json , 1977
app/build/intermediates/blame/res/debug/multi-v2/values-land.json , 758
app/build/intermediates/blame/res/debug/multi-v2/values-large-v4.json , 867
app/build/intermediates/blame/res/debug/multi-v2/values-ldltr-v21.json , 749
app/build/intermediates/blame/res/debug/multi-v2/values-lo.json , 1975
app/build/intermediates/blame/res/debug/multi-v2/values-lt.json , 1981
app/build/intermediates/blame/res/debug/multi-v2/values-lv.json , 1987
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