How to use

startActivity

method

in

android.content.Context

public static void show(Context context) {
 Intent intent = new Intent(context, IRCConnectActivity.class);
 context.startActivity(intent);
}

public static void show(Context context) {
 context.startActivity(new Intent(context, SettingsActivity.class));
}

/**
 * 打开网络设置界面
 * <p>3.0以下打开设置界面</p>
 *
 * @param context 上下文
 */
public static void openWirelessSettings(Context context) {
  if (android.os.Build.VERSION.SDK_INT > 10) {
    context.startActivity(new Intent(android.provider.Settings.ACTION_SETTINGS));
  } else {
    context.startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
  }
}

public static void show(Context context) {
 context.startActivity(new Intent(context, APODActivity.class));
}

public static void openDail(Context context) {
  Intent intent = new Intent(Intent.ACTION_DIAL);
  intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  context.startActivity(intent);
}

/**
 * 拨打电话
 *
 * @param context
 * @param number
 */
public static void openDial(Context context, String number) {
  Uri uri = Uri.parse("tel:" + number);
  Intent it = new Intent(Intent.ACTION_DIAL, uri);
  context.startActivity(it);
}

public static void actionStart(Context context, String className) {
  Intent intent = new Intent(context, ModelStructureActivity.class);
  intent.putExtra(CLASS_NAME, className);
  context.startActivity(intent);
}

public static void goToLyrics(Context context) {
  Intent intent = new Intent(context, MainActivity.class);
  intent.setAction(Constants.NAVIGATE_LYRICS);
  context.startActivity(intent);
}

public static void start(Context context, int position) {
  Intent intent = new Intent(context, DetailActivity.class);
  intent.putExtra("position", position);
  context.startActivity(intent);
}

public static void actionStart(Context context, String tableName) {
  Intent intent = new Intent(context, TableStructureActivity.class);
  intent.putExtra(TABLE_NAME, tableName);
  context.startActivity(intent);
}

@Override
 public void onReceive(Context context, Intent intent) {
   //start activity
   Intent i = new Intent();
   i.setClassName("com.test", "com.test.MainActivity");
   i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
   context.startActivity(i);
 }

  @Override
  public void onClick(View v) {
    Context context = v.getContext();
    Intent intent = new Intent(context, CheeseDetailActivity.class);
    intent.putExtra(CheeseDetailActivity.EXTRA_NAME, holder.mBoundString);
    context.startActivity(intent);
  }
});

public static void openApp(Context context, String packageName) {
  Intent mainIntent = context.getPackageManager()
      .getLaunchIntentForPackage(packageName);
  if (mainIntent == null) {
    mainIntent = new Intent(packageName);
  } else {
  }
  context.startActivity(mainIntent);
}

public static void openSendMsg(Context context) {
  Uri uri = Uri.parse("smsto:");
  Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
  intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  context.startActivity(intent);
}

public static void openSMS(Context context, String smsBody, String tel) {
  Uri uri = Uri.parse("smsto:" + tel);
  Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  it.putExtra("sms_body", smsBody);
  context.startActivity(it);
}

public static void openCamera(Context context) {
  Intent intent = new Intent(); // 调用照相机
  intent.setAction("android.media.action.STILL_IMAGE_CAMERA");
  intent.setFlags(0x34c40000);
  context.startActivity(intent);
}

static public void launchUri(Context context, Uri data) {
  Intent intent = getIntentForURI(data);
  if (intent != null) {
    context.startActivity(intent);
  } else {
    context.startActivity(new Intent(ACTION_VIEW, data).addCategory(CATEGORY_BROWSABLE));
  }
}

public static boolean openAppActivity(Context context, String packageName,
                   String activityName) {
  Intent intent = new Intent(Intent.ACTION_MAIN);
  intent.addCategory(Intent.CATEGORY_LAUNCHER);
  ComponentName cn = new ComponentName(packageName, activityName);
  intent.setComponent(cn);
  try {
    context.startActivity(intent);
    return true;
  } catch (Exception e) {
    return false;
  }
}

public static void addToPocket(Context context,
                String url,
                String tweetStatusId) {
  Intent intent = new Intent(Intent.ACTION_SEND);
  intent.setPackage(PACKAGE);
  intent.setType(MIME_TYPE);
  intent.putExtra(Intent.EXTRA_TEXT, url);
  if (tweetStatusId != null && tweetStatusId.length() > 0) {
    intent.putExtra(EXTRA_TWEET_STATUS_ID, tweetStatusId);
  }
  intent.putExtra(EXTRA_SOURCE_PACKAGE, context.getPackageName());
  context.startActivity(intent);
}

public static void startActivity(Context context, Demo demo) {
 Intent intent = new Intent(context, DemoRtlActivity.class);
 intent.putExtra(KEY_DEMO, demo.name());
 context.startActivity(intent);
}